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从港口起重机金属结构的故障管理出发 ,阐述港机金属结构故障诊断与安全性评价系统的组成及工作原理 ,对港机金属结构故障中裂纹扩展寿命和结构件的巡检周期进行预测研究 ,对系统中结构承载能力诊断的依据进行理论分析。实际工程应用情况证明 ,该系统能为企业开展状态维修提供长期有效的技术保障 ,从而保证结构件的安全使用 ,减少维修停产造成的经济损失
Based on the fault management of port crane’s metal structure, this paper describes the composition and working principle of fault diagnosis and safety evaluation system of port machinery’s metal structure, predicts the crack propagation life and the inspection cycle of structural parts in the port machinery metal structure failure, The basis of diagnosis of structural carrying capacity in the system is analyzed theoretically. The actual engineering application proves that the system can provide long-term and effective technical support for enterprises to carry out state maintenance so as to ensure the safe use of structural parts and reduce the economic losses caused by maintenance and discontinuation